CN216949661U - Secret meeting room based on sound masking system - Google Patents
Secret meeting room based on sound masking system Download PDFInfo
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- CN216949661U CN216949661U CN202121292280.XU CN202121292280U CN216949661U CN 216949661 U CN216949661 U CN 216949661U CN 202121292280 U CN202121292280 U CN 202121292280U CN 216949661 U CN216949661 U CN 216949661U
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Abstract
The application discloses a confidential conference room based on a sound masking system, the wall body of the confidential conference room is formed by nesting an electromagnetic shield and a sound insulator, the confidential conference room has good shielding property and air tightness, a sound insulation window and a waveguide window which are arranged on the confidential conference room and have ventilation and noise reduction effects are further improved in the sound insulation property of the confidential conference room, in addition, the sound masking system is arranged in the confidential conference room, the sound protection effect in the confidential conference room is improved through the mutual connection and the cooperative work of a plurality of sound feedback devices, a plurality of sound interference devices and a central control host, the problem that the existing sound masking system is used as one part in a conference room facility is solved, although the sound of conference participants can be safely protected, the sound masking system is only added in the conference room without considering the importance of the internal structure of the conference room on sound insulation, leading to the technical problem of poor sound protection effect.
Description
Technical Field
The application relates to the technical field of voice signal processing, in particular to a confidential conference room based on a sound masking system.
Background
With the continuous development and progress of society, the eavesdropping technology is more and more diversified, and various eavesdropping prevention technologies appear at the same time. According to the difference of the sound leakage mechanism, air sound leakage and vibration sound leakage can be divided. Wherein airborne acoustic leakage is acoustic leakage that occurs from the propagation of sound through an air medium. Vibration sound leakage is the leakage of sound that occurs through the propagation of fixed vibrations. The sound masking technology is an intelligent sound leakage protection system based on the sound masking principle, sound information is protected through the system, the product can monitor sound pressure level intensity, and when the sound pressure level intensity exceeds a preset value, an alarm is given out, and the sound pressure of interference noise is adjusted, so that the purpose of protecting the sound information is achieved.
The existing sound masking system is used as a part in a conference room facility, although the sound of conference participants can be protected safely, the sound masking system is only added in the conference room, and the importance of the internal structure of the conference room on sound insulation is not considered, so that the sound protection effect is poor.
SUMMERY OF THE UTILITY MODEL
The application provides a secret meeting room based on sound masking system for solve current sound masking system and as a part in the meeting room facility, though can carry out safety protection to meeting participant's sound, only increase sound masking system in the meeting room, and do not consider the importance of the inner structure of meeting room to the sound insulation, lead to the not good technical problem of effect of sound protection.
The application provides a secret conference room based on sound masking system, the secret conference room comprises an electromagnetic shield, a sound insulator, a sound insulation door, a sound insulation window and a waveguide window; the sound insulator is nested in the electromagnetic shield, the electromagnetic shield and the sound insulator are in interference fit and are provided with a plurality of openings, and the sound insulation door, the sound insulation window and the waveguide window are all arranged at the openings; the sound masking system includes: the system comprises a central control host, a plurality of sound feedback devices and a plurality of sound interference devices; the sound feedback device and the sound interference device are both in communication connection with the central control host; the sound feedback devices are arranged at each corner above the confidential conference room and used for identifying the volume in the confidential conference room and sending the volume to the central control host; the sound interference unit is used for playing various interference sounds to perform air sound interference and vibration sound interference, wherein the interference sounds include but are not limited to human voice, music sound, bird sound, rain sound, white noise and pink noise; the central control host is used for obtaining the volume and adjusting the volume of the interference sound according to the volume.
The wall body of the confidential conference room is formed by embedding the electromagnetic shielding body and the sound insulation body, the wall body has good shielding performance and air tightness, the sound insulation window and the waveguide window which are installed on the confidential conference room and have the ventilating and silencing effects further improve the sound insulation performance of the confidential conference room, in addition, the sound masking system is arranged in the confidential conference room, and the sound masking system can improve the sound protection effect in the confidential conference room through the mutual connection and the cooperative work of the plurality of sound feedback devices, the plurality of sound interference devices and the central control host machine, so that the technical problem that the sound protection effect is poor due to the fact that the sound masking system is used as one part of a conference room facility in the prior art, although the sound of conference participants can be safely protected, the sound masking system is only added in the conference room, the importance of the internal structure of the conference room on the sound insulation is not considered.
Optionally, the sound disruptors comprise duct sound disruptors, space sound disruptors, and glass vibration disruptors; the pipeline sound interference unit is arranged at the inlet and the outlet of a pipeline and an air conditioner in the confidential meeting room and is used for vibration interference; the space sound interference unit is arranged between a suspended ceiling and surrounding walls in the confidential conference room and outside the confidential conference room and is used for interfering air sound leakage; the glass vibration interference unit is arranged on the glass of the sound insulation window and used for vibration interference.
Optionally, the electromagnetic shield is made of a cold-rolled steel plate with a thickness of 2mm to 3 mm.
Optionally, the sound insulator comprises a cold-rolled steel plate, a glass magnesium sound insulation plate, a sound absorption plate and a galvanized steel plate from outside to inside, and the sound wave is absorbed through a multilayer structure, so that the sound shielding function is realized.
Optionally, the thickness of cold-rolled steel plate is 2mm, the thickness of glass magnesium sound insulation plate is 12.5mm, the thickness of sound absorption plate is 84.5mm and the thickness of galvanized steel plate is 1 mm.
Optionally, a sound insulation strip is arranged in the door frame of the sound insulation door, and the sound insulation effect is enhanced through the sound insulation strip.
Drawings
FIG. 1 is a schematic structural diagram of a secure conference room provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of an acoustic masking system according to an embodiment of the present application;
fig. 3 is a schematic partial layout diagram of an acoustic masking system according to an embodiment of the present application.
Detailed Description
The embodiment of the application provides a confidential conference room based on a sound masking system, which is used for solving the technical problem that the sound protection effect is poor due to the fact that the sound masking system is only added in the conference room and the importance of the internal structure of the conference room on sound insulation is not considered although the sound masking system can be used for carrying out safety protection on the sound of conference participants when the existing sound masking system is used as a part of a conference room facility.
In order to make the objects, features and advantages of the present invention more apparent and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the embodiments described below are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 3, an embodiment of the present application provides a secure conference room based on a sound masking system, where the secure conference room includes an electromagnetic shield 1, a sound insulator 2, a sound insulation door 3, a sound insulation window 4, and a waveguide window 5; the sound insulator 2 is nested in the electromagnetic shield 1, the electromagnetic shield 1 and the sound insulator 2 are in interference fit and are provided with a plurality of openings (not shown), and the sound insulation door 3, the sound insulation window 4 and the waveguide window 5 are all arranged at the openings; the sound masking system includes: the central control host 200, a plurality of sound feedback devices 100 and a plurality of sound interference devices 300; the sound feedback device 100 and the sound interference device 300 are both in communication connection with the central control host 200; the sound feedback devices 100 are installed at each corner above the security conference room, and are used for identifying the volume in the security conference room and sending the volume to the central control host 200; the sound jammer 300 is used to play various disturbing sounds including, but not limited to, human, music, bird, rain, white and pink noises for air borne sound disturbance and vibration borne sound disturbance; the central control host 200 is configured to obtain the volume, and adjust the volume of the interference sound according to the volume.
Further, the sound disturber 300 in this embodiment includes a duct sound disturber, a space sound disturber, and a glass vibration disturber; the pipeline sound interference device is arranged at an inlet and an outlet of a pipeline and an air conditioner in the confidential meeting room and is used for vibration interference; the space sound interference unit is arranged between a suspended ceiling and surrounding walls in the confidential conference room and outside the confidential conference room and is used for interfering air sound leakage; the glass vibration interference unit is arranged on the glass of the sound insulation window 4 and used for vibration interference.
The sound masking system is a sound leakage protection system based on the sound masking principle. When the sound insulation index of the security conference room in the embodiment does not meet the standard, the sound information of the security conference room can be protected through the system. The system can monitor the sound pressure level intensity of the confidential conference room, and when the volume in the confidential conference room exceeds a preset value, an alarm is given out, and the volume of interference noise is adjusted, so that the aim of protecting sound information is fulfilled. The sound masking has the following functions: the average sound pressure level intensity in the confidential conference room can be accurately measured through a multi-probe distributed structure, and prompt information is sent out when the average sound pressure level intensity exceeds a set value. If the average sound pressure level intensity in the confidential conference room exceeds a set value within a certain time, the sound masking system generates voice-related interference noise to protect sound information.
Further, the electromagnetic shield 1 is made of a cold-rolled steel plate having a thickness of 2mm to 3 mm.
Furthermore, the sound insulator 2 comprises a cold-rolled steel plate, a glass magnesium sound insulation plate, a sound absorption plate and a galvanized steel plate from outside to inside, and sound waves are absorbed through a multilayer structure, so that the sound shielding function is realized.
Further, the thickness of cold-rolled steel plate is 2mm, the thickness of glass magnesium sound-insulating plate is 12.5mm, the thickness of sound-absorbing plate is 84.5mm and the thickness of galvanized steel plate is 1 mm.
Furthermore, a sound insulation strip is arranged in a door frame of the sound insulation door 3, and the sound insulation effect is enhanced through the sound insulation strip.
The wall body of the confidential meeting room is formed by nesting the electromagnetic shield 1 and the sound insulator 2, has good shielding property and air tightness, the sound insulation window 4 and the waveguide window 5 which are arranged on the security conference room and have the functions of ventilation and sound attenuation further improve the sound insulation performance of the security conference room, in addition, the sound masking system is arranged in the secure conference room, and through the mutual connection and cooperation of the plurality of sound feedback devices 100, the plurality of sound interference devices 300 and the central control host 200, thereby improving the sound protection effect in the confidential conference room, solving the problem that the existing sound masking system is used as a part in the conference room facility, although the sound of the conference participants can be protected, the sound masking system is only added in the conference room, the technical problem that the sound protection effect is poor due to the fact that the importance of the internal structure of the conference room on sound insulation is not considered is solved.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments of the present application and for simplicity of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (6)
1. A secret conference room based on a sound masking system is characterized in that the secret conference room comprises an electromagnetic shield, a sound insulator, a sound insulation door, a sound insulation window and a waveguide window; the sound insulator is nested in the electromagnetic shield, the electromagnetic shield and the sound insulator are in interference fit and are provided with a plurality of openings, and the sound insulation door, the sound insulation window and the waveguide window are all arranged at the openings;
the sound masking system includes: the system comprises a central control host, a plurality of sound feedback devices and a plurality of sound interference devices; the sound feedback device and the sound interference device are both in communication connection with the central control host;
the sound feedback devices are arranged at each corner above the confidential conference room and used for identifying the volume in the confidential conference room and sending the volume to the central control host;
the sound interference unit is used for playing various interference sounds to perform air sound interference and vibration sound interference, wherein the interference sounds include but are not limited to human voice, music sound, bird sound, rain sound, white noise and pink noise;
the central control host is used for obtaining the volume and adjusting the volume of the interference sound according to the volume.
2. The secure conference room based on the sound masking system as claimed in claim 1, wherein the sound disrupter comprises a pipe sound disrupter, a spatial sound disrupter and a glass vibration disrupter;
the pipeline sound interference device is arranged at an inlet and an outlet of a pipeline and an air conditioner in the confidential meeting room and is used for vibration interference;
the space sound interference unit is arranged between a suspended ceiling and surrounding walls in the confidential conference room and outside the confidential conference room and is used for interfering air sound leakage;
the glass vibration interference unit is arranged on the glass of the sound insulation window and used for vibration interference.
3. The secure conference room based on the acoustic masking system as claimed in claim 1, wherein the electromagnetic shield is made of a cold-rolled steel plate with a thickness of 2mm to 3 mm.
4. The secure conference room based on the sound masking system as claimed in claim 1, wherein the sound insulator comprises a cold-rolled steel plate, a glass magnesium sound insulation plate, a sound absorption plate and a galvanized steel plate from outside to inside.
5. The secure conference room based on the sound masking system as claimed in claim 4, wherein the thickness of the cold-rolled steel plate is 2mm, the thickness of the magnesium-glass sound insulation plate is 12.5mm, the thickness of the sound absorption plate is 84.5mm and the thickness of the galvanized steel plate is 1 mm.
6. The secure conference room based on the sound masking system as claimed in claim 1, wherein a sound insulation strip is arranged in the door frame of the sound insulation door.
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CN202121292280.XU CN216949661U (en) | 2021-06-09 | 2021-06-09 | Secret meeting room based on sound masking system |
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CN202121292280.XU CN216949661U (en) | 2021-06-09 | 2021-06-09 | Secret meeting room based on sound masking system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115263034A (en) * | 2022-09-02 | 2022-11-01 | 深圳市金城保密技术有限公司 | Three-proofing confidential conference room |
CN116524891A (en) * | 2023-05-08 | 2023-08-01 | 拓达世纪信息产业有限公司 | AI sound masking system and secret meeting room thereof |
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2021
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115263034A (en) * | 2022-09-02 | 2022-11-01 | 深圳市金城保密技术有限公司 | Three-proofing confidential conference room |
CN116524891A (en) * | 2023-05-08 | 2023-08-01 | 拓达世纪信息产业有限公司 | AI sound masking system and secret meeting room thereof |
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